CN109076298A - Use the implantable vibration device of limited component - Google Patents

Use the implantable vibration device of limited component Download PDF

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Publication number
CN109076298A
CN109076298A CN201780025430.0A CN201780025430A CN109076298A CN 109076298 A CN109076298 A CN 109076298A CN 201780025430 A CN201780025430 A CN 201780025430A CN 109076298 A CN109076298 A CN 109076298A
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China
Prior art keywords
circuit
shell
coil
inductance coil
exemplary embodiment
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Granted
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CN201780025430.0A
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CN109076298B (en
Inventor
维尔纳·梅斯肯斯
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Cochlear Ltd
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Cochlear Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/55Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
    • H04R25/554Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired using a wireless connection, e.g. between microphone and amplifier or using Tcoils
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00Piezoelectric transducers; Electrostrictive transducers
    • H04R17/10Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/60Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H04R25/604Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers
    • H04R25/606Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers acting directly on the eardrum, the ossicles or the skull, e.g. mastoid, tooth, maxillary or mandibular bone, or mechanically stimulating the cochlea, e.g. at the oval window
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00Piezoelectric transducers; Electrostrictive transducers

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Neurosurgery (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Prostheses (AREA)

Abstract

A kind of prosthese including can plant component, the implantable component includes lc circuit, wherein piezoelectric material forms at least part of the capacitive part of lc circuit, the piezoelectric material is expanded and/or is shunk when variable magnetic field is applied to the inductor of lc circuit, lc circuit has the electric self-resonant frequency lower than 20kHz, and piezoelectric material forms a part for being configured to be implanted into the actuator of the tissue power output of recipient of implantable component thereto.

Description

Use the implantable vibration device of limited component
Cross reference to related applications
This application claims mentioned with the inventor of the entitled Werner Meskens of Mechelen, Belgium on May 24th, 2016 That hands over is entitled " using implantable vibration device (the IMPLANTABLE VIBRATORY DEVICE USING of limited component LIMITED COMPONENTS) " U.S. Patent application No.15/162,691 priority, this application require April 27 in 2016 The entire content of the Provisional U.S. Patent Application No.62/328 that day submits, 233 priority, every application all pass through reference It is incorporated herein.
Background technique
May it is many it is different due to caused by hearing loss generally there are two types of types: conductive and sensory nerve Property.Sensorineural hearing loss be due in cochlea the wool Se content that voice signal is converted to nerve impulse or Caused by person is impaired.There are various hearing prosthesis on the market to provide perception sound for the individual by sensorineural hearing loss The ability of sound.For example, cochlear implant gets around the mechanism of ear using the electrod-array in the cochlea for being implanted in recipient.More Specifically, electro photoluminescence is provided to auditory nerve via the electrod-array, to arouse hearing perception.
Conductive hearing loss is obstructed in the normal mechanical access for providing sound to hair cell (for example, due to for ear bones The damage of chain or ear canal and be obstructed) when occur.Because the hair cell in cochlea may still be without damage, damaged by conductibility hearing The individual of mistake may retain some form of residual hearing.
Acoustic hearing aids are usually received by the individual of conductive hearing loss.Hearing aid depends on the principle of air transmitted Cochlea is sent by acoustic signal.It is located in the ear canal of recipient or external ear specifically, hearing aid is usually used Arrangement amplify the received sound of external ear of recipient.This amplification sound reach cochlea, arouse it is perilymphatic movement and The stimulation of auditory nerve.
Hearing aid with the principle for depending on air transmitted is on the contrary, certain form of hearing prosthesis (is commonly referred to as bone Conduction device) received sound is converted into vibration.Vibration is transmitted to cochlea by skull, arouses the generation of nerve impulse, this Received sound is caused to be perceived.Bone-conduction device is suitable for treating various types of hearing losses, and may be suitable for The individual of enough benefits cannot be obtained from acoustic hearing aids.
Summary of the invention
According to one embodiment, there are a kind of prostheses, comprising: the implantable component including lc circuit, wherein piezoelectric material At least part of the capacitive part of the lc circuit is formed, the piezoelectric material is applied to the lc circuit in variable magnetic field It expands and/or shrinks when inductor, and piezoelectric material formation is configured to be implanted into the implantable component thereto The a part for the actuator energized in the tissue of recipient.
According to another embodiment, there are a kind of auditory prosthesis, the auditory prosthesis includes: external assembly comprising the One inductance coil and the active electronic device that signal communication is carried out with the first inductance coil;And implantable component, by passive Electronic building brick is constituted, and the passive electric components include energy converter and the second inductance coil, and energy converter is configured to apply when electric current It is added on output mechanical energy at that time, the second inductance coil is the one of the first LC resonance circuit of the frequency being tuned in audible spectrum Part, wherein the first inductance coil and the second inductance coil form the link percutaneously coupled.
According to another exemplary embodiment, there are a kind of hearing prosthesis, comprising: implantable passive resonance component, it is described can Being implanted into passive resonance component includes vibrating electrical capacitive equipment and inductance coil, wherein the vibratory equipment and the inductor wire Circle is packaged in titanium shell, and the implantable component is configured such that the inductance coil is connect by the titanium shell The transdermal signal of receipts activates the vibratory equipment to arouse hearing perception.
Detailed description of the invention
Some embodiments are described with reference to the accompanying drawings, in which:
Fig. 1 is the perspective view in the exemplary bone-conduction device that at least some embodiments wherein may be implemented;
Fig. 2 is conceptually to illustrate the schematic diagram of passive percutaneous bone-conduction device;
Fig. 3 A is the active percutaneous bone-conduction device conceptually illustrated according at least some exemplary embodiments Schematic diagram;
Fig. 3 B is another active percutaneous osteoacusis dress conceptually illustrated according at least some exemplary embodiments The schematic diagram set;
Fig. 4 and Fig. 5 is the schematic diagram according to the exemplary implantable component of at least some embodiments;
Fig. 6 is the schematic diagram of the component part of depiction 4 and the embodiment of Fig. 5;
Fig. 7 and Fig. 8 is the schematic diagram according to some other exemplary implantable components of at least some embodiments;
Fig. 9 and Figure 10 is the schematic diagram according to some other exemplary implantable components of at least some embodiments;
Figure 11 is the schematic diagram for describing the another exemplary embodiment of implantable component;
Figure 12 and Figure 13, which describes, to be described in detail according to the operating principle of some embodiments detailed in this article, together with basic circuit diagram Functional schematic;
Figure 14 describes the exemplary embodiment of available external module in some embodiments;
Figure 15 describes the another exemplary embodiment of available external module in some embodiments;
Figure 16 describes the another exemplary embodiment of available external module in some embodiments;And
Figure 17 describes the exemplary process diagram according to illustrative methods.
Specific embodiment
Fig. 1 is the perspective view in the bone-conduction device 100 that embodiment wherein may be implemented.As indicated, recipient is with outer Ear 101, middle ear 102 and inner ear 103.The element of external ear 101, middle ear 102 and inner ear 103 is described below, osteoacusis is then described Device 100.
In mankind's hearing anatomical structure of complete function, external ear 101 includes auricle 105 and ear canal 106.Sound wave or acoustics Pressure 107 is collected and be transported in ear canal 106 by channel and pass through ear canal 106 by auricle 105.Ear canal 106 is set Entire distal end is eardrum 104, and eardrum 104 is vibrated in response to sound wave 107.The vibration is coupled by three bones of middle ear 102 To oval window or oval window 210, these three bone nominals are phonophore 111, and including malleus 112, incus 113 and stapes 114.The phonophore 111 of middle ear 102 is for being filtered and amplifying to sound wave 107, so that oval window 210 be made to vibrate.It is such Fluid motion wave is established in vibration in cochlea 139.Such fluid motion then activates the hair cell arranged inside cochlea 139 (not shown).The activation of hair cell is transmitted to nerve impulse appropriate greatly by spiral ganglion cells and auditory nerve 116 Brain (not shown), in the brain, they are perceived as sound.
Fig. 1 has also illustrated external ear 101, middle ear 102 and of the bone-conduction device 100 relative to the recipient of device 100 The positioning of inner ear 103.Bone-conduction device 100 includes external module 140 and implantable component 150.As indicated, bone-conduction device 100 are positioned in behind the external ear 101 of recipient, and the voice input element 126 including receiving voice signal.Sound is defeated Entering element 126 may include such as microphone.In the exemplary embodiment, voice input element 126 can be placed in for example On bone-conduction device 100 or in, or be placed in from bone-conduction device 100 extend cable on.
More specifically, received voice signal is converted to electric signal by acoustic input dephonoprojectoscope 126 (for example, microphone). These electric signals are handled by Sound Processor Unit.Sound Processor Unit generates the control signal for making actuator vibration.In other words, it activates Device, which is converted electrical signals to mechanical movement and given with the skull to recipient, to be vibrated.
Alternatively, voice input element 126 can be percutaneously implanted in recipient, or be positioned in recipient Ear in.Voice input element 126, which is also possible to receive, indicates sound (such as example from the sound of external audio device Sound) electronic signal component.For example, voice input element 126 can be from being electrically coupled to voice input element 126 The voice signal of MP3 player reception electrical signal form.
Bone-conduction device 100 includes Sound Processor Unit (not shown), actuator (being also not shown) and/or various other operations Component.In operation, received sound is converted to electric signal by Sound Processor Unit.These electric signals are used to produce by Sound Processor Unit The raw control signal for making actuator vibration.In other words, the skull that actuator converts electrical signals to for delivery to recipient Mechanical oscillation.
According to some embodiments, fixed system 162 can be used for implantable component 150 being fixed to skull 136.Following institute It states, fixed system 162 can be fixed to skull 136 and be also attached to the bone screw of implantable component 150.
In an arrangement of Fig. 1, bone-conduction device 100 can be passive percutaneous bone-conduction device.I.e., it has no Active block (such as actuator) is implanted in below the skin 132 of recipient.It in such an arrangement, such as below will more in detail It carefully discusses, actuator is placed in external module 140, and implantable component 150 includes magnetic sheet.Implantable component The magnetic field variations that 150 magnetic sheet mechanically and/or via external magnetic sheet is generated in response to the vibration that is sent by skin.
In another arrangement of Fig. 1, bone-conduction device 100 can be active percutaneous bone-conduction device, in the apparatus, until A few active block (such as actuator) is implanted in below the skin 132 of recipient, therefore is implantable component 150 A part.As described below, in such an arrangement, external module 140 may include Sound Processor Unit and transmitter, and can plant Component 150 may include signal receiver and/or various other electronic circuit/devices.
It includes that external device (ED) 340 (element 140 corresponding to such as Fig. 1) and implantable component 350 (correspond to that Fig. 2, which describes, Such as the element 150 of Fig. 1) exemplary percutaneous bone-conduction device 300.The percutaneous bone-conduction device 300 of Fig. 2 is passive through osteoderm Conduction device, wherein vibration electromagnetic actuators 342 are placed in external device (ED) 340.Vibration electromagnetic actuators 342 are placed In the shell 344 of external module, and it is coupled to plate 346.Plate 346 can be the form of permanent magnet and/or generate magnetic And/or make a response or otherwise such that can be built between external device (ED) 340 and implantable component 350 to magnetic field Base oneself upon by by external device (ED) 340 against recipient skin keep magnetic attraction it is another in the form of.
In the exemplary embodiment, vibration electromagnetic actuators 342 are the devices for converting electrical signals to vibration.It is operating In, voice input element 126 converts sound into electric signal.Specifically, percutaneous bone-conduction device 300 mentions these electric signals Supply vibration electromagnetic actuators 342 or Sound Processor Unit (not shown), the Sound Processor Unit handle electric signal, then will The signal of these processing is supplied to vibration electromagnetic actuators 342.Vibrating electromagnetic actuators 342 will (processing or untreated) electricity Signal is converted to vibration.Because vibration electromagnetic actuators 342 are mechanically coupled to plate 346, vibration is Electromagnetically actuated from vibrating Device 342 is transmitted to plate 346.The board group piece installing 352 of implantation is a part of implantable component 350, and is made of ferromagnetic material, The ferromagnetic material can be the form of permanent magnet, generates magnetic field and/or makes a response to magnetic field or otherwise make It obtains to establish between external device (ED) 340 and implantable component 350 and is enough to protect external device (ED) 340 against the skin of recipient The magnetic attraction held.Therefore, the vibration that the vibration electromagnetic actuators 342 of external device (ED) 340 generate is transmitted to from plate 346 across skin The plate 355 of board group piece installing 352.This can realize that the conduction is by external device (ED) 340 across the mechanical conductive of skin because vibrating It is in direct contact with the skin and/or as the magnetic field between two plates and caused by.These vibration be relative to percutaneous bone-conduction device, It is transmitted in the case where not having to solid body (such as base station) and penetrating skin.
As can be seen that in this embodiment, the board group piece installing 352 of implantation is substantially rigidly attached to bone fixation means (fixture)341.Plate bolt 356 is used to board group piece installing 352 being fixed to bone fixation means 341.Plate bolt 356 and bone fixation The part that part 341 engages corresponds essentially to the limit screw discussed in details additionally below, so that plate bolt 356 can To be easily fitted into bone fixation means existing used in percutaneous bone-conduction device.In the exemplary embodiment, plate bolt 356 be configured such that for install and/or from bone fixation means 341 remove limit screw (being described below) identical tool with Process can be used to installation and/or remove plate bolt 356 from bone fixation means 341 (therefore, board group piece installing 352).
Fig. 3 A describes the embodiment of percutaneous bone-conduction device 401 according to another embodiment, and percutaneous bone-conduction device 401 wraps Include external device (ED) 441 (element 140 corresponding to such as Fig. 1) and implantable component 451 (element 150 corresponding to such as Fig. 1). The percutaneous bone-conduction device 401 of Fig. 3 A is active percutaneous bone-conduction device, wherein vibration electromagnetic actuators 452 are placed in can In implant assembly 451.Specifically, the vibrating elements of vibration 452 form of electromagnetic actuators is placed in implantable component 451 In shell 454.In this embodiment, like the vibration electromagnetic actuators 342 described above for percutaneous bone-conduction device 300 that Sample, vibration electromagnetic actuators 452 are the devices for converting electrical signals to vibration.
External module 441 includes the voice input element 126 for converting sound into electric signal.Specifically, being passed through osteoderm It leads device 401 and these electric signals is supplied to vibration electromagnetic actuators 452 or Sound Processor Unit (not shown), the Sound Processor Unit Electric signal is handled, then via magnetic inductive link, be supplied to these signals handled by the skin of recipient can Implant assembly 451.In this regard, the transmitter coils 443 of external module 441 send these signals to be located at and can plant The RF receiver coil 455 of implantation in the shell 458 of component 450.(such as citing comes component (not shown) in shell 458 Say the RF receiver of the Sound Processor Unit with implantation) it then generates and will be delivered to vibration electromagnetism via electrical lead assembly 460 The electric signal of actuator 452.Vibration electromagnetic actuators 452 convert electrical signals to vibration.In the embodiment in fig. 3 a, it sends Device and receiver are operated with the frequency (that is, RF- radio frequency) for being higher than hearing spectrum.
In the exemplary embodiment, can plant component 451 includes with diode envelope detec-tor and/or various other The RF signal receiver of electronic active circuit.In the exemplary embodiment, vibration electromagnetic actuators 452 are connected to implantable component 451 electronic circuit.
Vibration electromagnetic actuators 452 are mechanically coupled to shell 454.Shell 454 and the vibration common shape of electromagnetic actuators 452 At vibratory equipment 453.Shell 454 is substantially rigidly attached to bone fixation means 341.
Fig. 3 B describes the alternate embodiment of percutaneous bone-conduction device 400 according to another embodiment, percutaneous bone-conduction device 400 include external device (ED) 440 (element 140 corresponding to such as Fig. 1) and (element corresponding to such as Fig. 1 of implantable component 450 150).The percutaneous bone-conduction device 400 of Fig. 3 B is also active percutaneous bone-conduction device, wherein as the embodiment of Fig. 3 A, vibration Dynamic electromagnetic actuators 452 are placed in implantable component (implantable component 450).Specifically, vibration electromagnetic actuators 452 The vibrating elements of form is placed in the shell 454 of implantable component 450, and is connected to as implantable component 450 The electronic circuit of a part.
External module 440 further includes the voice input element 126 for converting sound into electric signal.Specifically, through osteoderm These electric signals are supplied to vibration electromagnetic actuators 452 or Sound Processor Unit (not shown), the acoustic processing by conduction device 400 Device handles electric signal, is then supplied to these signals handled via magnetic inductive link, by the skin of recipient Implantable component 450.In this regard, the transmitter coils 442 of external module 440, which send these signals to, is located at and can plant Enter the inductive current receiver coil 456 of the implantation in the shell 458 of component 450.In this embodiment, coil 442 and 456 is not It is RF coil, alternatively, more precisely, the link not instead of RF link established by these coils is established by magnetoelectricity sense Link with the frequency lower than 20kHz.
Fig. 4 and Fig. 5 describes available implantable component (here, can plant component 550) in active percutaneous bone-conduction device Another exemplary embodiment.Fig. 4 describes the side view of implantable component 550, and can plant component 550 includes shell 554, shell 554 need two enclosure bodies (being made of titanium in the present example embodiment), the two enclosure bodies are welded at seam 444 It is connected together to form hermetically sealed shell.Fig. 5 describes the sectional view of implantable component 550.
In the exemplary embodiment, it can plant component 550 to be used to replace implantable component in the embodiment of Fig. 3 B 450.As can be seen that can plant component 550 for actuator 552 (functionality corresponding to actuator 452 detailed above) and electricity Sensor or coil 556 (functionality of the RF receiver coil 456 corresponding to implantation) are combined in individual equipment.Actuator 552 It is both accommodated in the same shell 554 with coil 556.That is, the receiver coil for making implantation with Fig. 3 B 456 be placed in a shell and so that oscillation actuator 452 is placed in the implantable component 440 in another shell on the contrary, In the 5 embodiment of figure 5, receiver coil 556 and oscillation actuator 552 are placed in the same shell 554.In brief, It is noted that oscillation actuator 552 includes the so-called counterweight/mass block 553 supported by piezoelectric element 555.In the exemplary of Fig. 5 In embodiment, piezoelectric element 555 is bent and stretched when electric current is exposed to its, thus mobile counterweight 553.In the exemplary embodiment, should It is mobile to generate the vibration for being eventually communicated to recipient to arouse hearing perception.
Therefore, in the exemplary embodiment, exist including can plant component (the implantable component 550 being such as described in detail just now) Hearing prosthesis.In this exemplary embodiment, implantable component include vibratory equipment (such as only for example rather than limit, Just now the oscillation actuator 552 being described in detail) and inductance coil 556.In the exemplary embodiment, vibratory equipment 552 and inductance coil 556 are packaged in the same shell (for example, shell 554).In one exemplary embodiment, shell number 554 by titanium and/ Or titanium alloy is made.In the exemplary embodiment, the external surface area about shell 554, the surface area more than 90% include titanium and/ Or titanium alloy material.In one exemplary embodiment, again about the external surface area of shell, shell is more than 91,92,93, 94,95,96,97,98 or 99% surface area includes titanium and/or titanium alloy material.In one exemplary embodiment, shell 100% external surface area includes titanium and/or titanium alloy material.Note that this is for shell.In the 5 embodiment of figure 5 As can be seen that magnet 558 is placed on the outer surface of shell.Aforementioned value does not include the magnet.That is, in an example In property embodiment, 100% external surface area that the embodiment of Fig. 5 can be wherein shell includes titanium and/or titanium alloy material Embodiment.
In the exemplary embodiment of aforementioned arrangement, implantable component 550 is configured such that inductance coil 556 passes through titanium The received transdermal signal of shell number 554 activates vibratory equipment 552 to arouse hearing perception.In the exemplary embodiment, this is needed Vibrate osteoacusis.That is, in alternative embodiments, vibratory equipment 552 can be different construction, and mechanical ground chain Middle ear and/or inner ear are connected to arouse the perception of the hearing of mechanical induction.That is, with regard to Fig. 5 description this is general Arrangement can be applied to the another type of hearing prosthesis other than bone-conduction device (additional detail is presented below).
It can be seen that in the exemplary embodiment from the schematic diagram of Fig. 5, shell number 554 purely and simply includes coil 556 and vibratory equipment 552, therefore without any through-out pathway.This with the device of Fig. 3 B be it is opposite, in the device of Fig. 3 B, In at least some exemplary embodiments, penetration piece is placed in shell number 454 to make electrical lead assembly 460 can To be connected to oscillation actuator 452 therein.Therefore, in the exemplary embodiment, as noted above, shell 554 100% surface area may need titanium and/or titanium alloy.Accoding to exemplary embodiment, shell 554 may need by titanium and/or Made of titanium alloy, two monolithic modules of seam welds together are surrounded, which extends around the longitudinal axis 599.Cause This, in the exemplary embodiment, there are passive percutaneous bone-conduction device do not include any penetration piece implantable component.
Be briefly noted that at this time, some in the component of the embodiment of Fig. 5 and/or all around the longitudinal axis 559 at least substantially On it is rotatably symmetrical.In this regard, only for example, it rather than limits, magnet 558 is disc magnets, and coil 556 is with circle Mode around the longitudinal axis extend.Further, screw 356A is around the longitudinal axis 559 at circle.For the sake of clarity, end line (back lines) has been omitted.
For this purpose, Fig. 6 describes the exemplary pre-assembled module of blank shell 554X, blank shell 554X includes base assemblies 554A With top assembly 554B (554C that is wherein recessed is placed at 558 (not shown) of top magnet).In the exemplary embodiment, shell Body 554 is manufactured in the following manner, that is, and it will be received in one of the various components and be placed into shell space 554D, and Correspondingly fixed (if this is practical), then will top around the existing seam when top assembly is together with base assemblies Parts are welded to base assemblies, to make the inside of shell and the airtight isolation of external environment, and establish shell 554.
That is, some embodiments may include the shell comprising penetration piece.As noted above, such implementation Example may include the shell that surface area wherein less than 100% includes titanium and/or titanium alloy.
As being also noted above that, in the exemplary embodiment, the inner space of shell number 554 and outside/ambient enviroment Airtight isolation, for the implantable component 550 being implanted in the mankind, this can have practical value, because this can be with Prevent body fluid from invading or otherwise entering in the space 559 inside shell 554.In this regard, in the embodiment of Fig. 5 In, coil 556 and actuator 552 share the same hermetically sealed space.Here, coil 556 and actuator 552 are gas each other Close isolation.Although the embodiment described in Fig. 5 depicts the two components for sharing the same space, such as institute in Fig. 7 See, in alternative embodiments, component can be spatially segregated from out each other.Here, wall 565 makes actuator 552 and 556 gas of coil Close isolation.In the exemplary embodiment, exist in wall 565 so that signal can be carried out between coil 556 and actuator 552 The penetration piece of communication.As will be described in more detail, coil 556 and (or more specifically, the piezoelectricity group of actuator 552 Part 555) be the same circuit a part.Anyway, exemplary embodiment may include being placed in shell intracorporal first Coil 556 in hermetically sealed space, and actuator 552 can be placed in intracorporal second hermetically sealed space of shell. However, the two is still purely and simply included in shell number 554.Note that the shell for no any through-out pathway is numbered For 554, the presence of the penetration piece in wall 565 still may exist.
Although note that various embodiments described herein is described with regard to piezoelectric actuator, in some substitutions In embodiment, as will be more fully described below about exemplary embodiment, can use different types of actuator and/or Energy converter, such as only for example rather than limit, electromagnetic actuators.Furthermore, it is noted that in the exemplary embodiment, some substitutions Case material in embodiment can be made of other biological compatibility material (such as PEEK), to replace titanium and/or titanium conjunction Gold.In the exemplary embodiment, shell by can be realized it is detailed in this article introduction and/or its modification any bio-compatible Property material is made.Further, in the exemplary embodiment, the outer surface of shell is made of any biocompatible materials. In the exemplary embodiment, the part of shell being placed in below outer surface may be not necessarily biocompatibility.Herein The introduction of detailed description can be realized biocompatibility outer surface such non-biocompatible material of implantation material and around Such target of barrier is established between environment.
It is further noted that in the exemplary embodiment, the individual shell of two to be engaged with each other can correspond to single shell Body, precondition are that surface of shell is continuously established in its outer surface.For example, the embodiment of Fig. 7 can make space 766 by it from The shell of oneself top section and wall 565 including shell 554 is established.Alternatively, space 765 can include by own The bottom part of shell 554 and the shell of wall 565 are established.Further, in the case of there are additional wall, two spaces can To be established by the individual shell of themselves.In this regard, it is understood that there may be such situation, coil 556 are present in it The individual shell and actuator 552 of oneself exist in the individual shell of own, and the two individual shells Body is joined together to form shell assembly, to effectively establish single housing.
It is briefly noted that, in the exemplary embodiment, entire coil 556 is placed in titanium shell.
Note that being welded to the bottom part (554A) of shell 554, shell 554 top section (554B) Describe embodiments, detailed above.In such exemplary embodiment, which establishes one-piece shells.On the contrary, real in substitution It applies in example, the bottom part of shell 554 is screwed onto the top section or on the contrary of shell 554.Alternatively and/or except this it Outside, the bottom part of shell number 554 is glued to the top section of shell 554.In this regard, described two components are Individual component, therefore shell 554 is not monolithic module.Therefore, embodiment include be not monolithic shell and be monolithic shell Body.
It still just wherein can plant the implementation that component 550 can be used in the device of Fig. 3 B and (replace implantable component 450) For example, in this embodiment, coil 556 is formed between the coil (transmitter coils 442) in the coil and external module 440 Percutaneous inductive link a part.Therefore, in the exemplary embodiment, can plant component 550 includes comprising 552 He of actuator The single housing 554 of coil 556, coil 556 form one of the percutaneous link between implantable component 550 and external module 440 Part.
As noted above, actuator 552 can use piezoelectric material to form element 555.In some embodiments, Piezoelectric material is biocompatibility, and in other embodiments, piezoelectric material is not biocompatibility.Just wherein shell is compiled For numbers 554 make its internal embodiment with the ambient environment of implantable component 550, latter still can have reality With sexual valence value.It is further noted that in the exemplary embodiment, coil 556 can be made of copper and/or copper alloy, exemplary In embodiment, coil 556 by calculate by weight at least 50% copper at.In the exemplary embodiment, coil 556 is by by weight Calculate at least 55% copper at.In the exemplary embodiment, coil 556 by calculating by weight at least 50,55,60,65,70, 75,80,85,90,91,92,93,94,95,96,97,98,99 or 100% or between them be any of increment with 0.1% Value or value range (for example, 85.3%, 94.1%, 66.6% to 99.9% etc.) are made.Aforementioned number is relative to implantable group It is used to establish for all coils of aforementioned inductive link in part.This is different between such as coil and actuator 552 Lead.That is, in alternative embodiments, aforementioned value be also applied for include be not piezoelectric material 555 a part coil All conductive components of 556 circuit.
Although above embodiments are usually to describe with regard to actuator (generating mobile device when receiving electric current), Note that embodiment further includes the energy converter for generating electric current when being exposed to mobile or otherwise generating electric current.With regard to this point For, any disclosure of actuator herein both corresponds to the disclosure of energy converter, unless otherwise specified.Therefore, herein Any disclosure of piezoelectric actuator both corresponds to the disclosure of PZT (piezoelectric transducer).
Referring now still to the embodiment of Fig. 5, Fig. 6 and Fig. 7, it can be seen that these embodiments make implantation material magnet 558 be placed in shell The outside of body 554.In the exemplary embodiment, magnet 558 is permanently attached to shell 554.In alternative embodiments, magnet 558 can remove from shell 554.For MRI compatibility, this can have practical value.In this regard, exemplary In embodiment, magnet 558 can be removed in the case where not removing shell 554 from recipient.(in the exemplary embodiment, Magnet 558 has biocompatibility relatively thin (for the magnet in the longitudinal direction thickness of (that is, being parallel to axis 599)) Covering, such as shell or wall).In the exemplary embodiment, there are aperture, which is extended through the center of shell from side To the other side so that screw or bolt can be used to secure the housing to bone fixation means 341.In this exemplary embodiment, Shell is the baked donut shape component that level Hermetic Package is established around bolt.In the exemplary embodiment, magnet itself is also possible to justify Annular magnet is so that bolt can extend through the magnet.In the exemplary embodiment, magnet can be rigidly secured to coupling Conjunction/bone screw, to resist torque during MRI is handled and/or to easily remove magnet for head scanning.
Fig. 8 describes the alternate embodiment of implantable component, can plant component 850.In this embodiment, magnet 558 is pacified It sets in the inside of shell 854.In the exemplary embodiment, magnet 558 can be screwed to bolt shell 854 upper wall or with Other modes are glued to or are otherwise mechanically secured to the upper wall of shell 854.Therefore, in the exemplary embodiment, magnetic Iron 558 is hermetically sealed in shell 854 together and (is placed in space 777) with coil 556 and actuator 552.
Fig. 9 is depicted in the another alternate embodiment of available implantable component in the embodiment of Fig. 3 B, can plant component 950.Here, can plant component 950 for coil 556 and 552 bifurcated of actuator is in two individual shells, is shell respectively 954A,954B.For having the shell compared with low section (measuring from the surface of skull), this can have practical value. By the partitioning component between two individual shells, the height of shell can be lower than feelings of all components all in single housing The height of shell under condition.Further, at least some exemplary embodiments, accounting for for one or two component is just reduced For space (that is, area adjacent with skull), this can have practical value, just adapt to the curvature of skull (that is, passing through With more limited smaller occupied space, if leading to gap between the outer surface of skull in the bottom in shell) and Speech, this can have practical value.In the exemplary embodiment, shell can have detailed above entirely or in part Feature.In this regard, it can be seen that shell includes allowing to carry out signal between two shells via lead 983 The penetration piece 981 of communication.Therefore, shell 954A and 954B closes 90% or bigger surface area of shell by titanium and/or titanium Gold constitutes (or bigger, as detailed above).In the exemplary embodiment, exist and enable a component not The connector being replaced in the case where removing other assemblies is just replaced failed actuator and/or failure coil and/or is not being upgraded For upgrading one in other assemblies in the case where two, this can have practical value.Therefore, in illustrative methods In, it needs to remove institute in the case where not removing one in other assemblies by disconnecting the coupling between described two components It states one in component and replaces it with new component.
That is, in alternative embodiments, shell is made of PEEK or another type of biocompatible materials.Briefly Point out that in the embodiment in fig. 9, bone fixation means 341 are used as the interface kept shell 954A in place with bone in ground.It is such as following It will be described, in some exemplary embodiments, not utilize bone fixation means (because vibration component is not placed in shell 954A In).
The alternative arrangement for external module 440 to be magnetically coupled to the magnet of recipient is presented in Fig. 9.Here it can be seen that Magnet 958 is baked donut magnet, rather than disc magnets.Can be realized introduction detailed in this article, have any orientation Or any magnet arrangements of clarity can be used at least some exemplary embodiments.
As noted above, the embodiment of introduction detailed in this article is not limited to PZT (piezoelectric transducer).In this regard, Figure 10 Describe the exemplary embodiment for the implantable component 1050 that can be used together with the embodiment of Fig. 3 B, can plant component 1050 and utilize Electromagnetic transducer 1052.In brief, energy converter 1052 includes coil 1055, and coil 1055 generates the magnet with energy converter 1055 The dynamic magnetic flux of interaction.Although the embodiment of Figure 10 depicts 556 He of coil being divided between two individual shells Energy converter 1052, but in some alternative embodiments, consistent with the introduction of Fig. 5, coil 556 and energy converter 1052 can be by It accommodates in the same housing (that is, PZT (piezoelectric transducer) is replaced by electromagnetic transducer 1052).As can be seen that electromagnetism in Figure 10 Via lead 983, telecommunication, lead 983 extend through penetration piece 981 to the coil 1055 of energy converter 1052 each other.Note that at this In exemplary embodiment, it can be seen that additional series component can be included in the form of capacitor 1066.It below will more Describe the additional detail of this feature in detail.Note that although the embodiment of electromagnetic actuators is disclosed as with series capacitor 1066, but in some alternate embodiments using electromagnetic actuators or piezoelectric actuator, this can also include shunt capacitance Device (this can have practical value, wherein for example piezoelectric element has the capacitor of about 100nF to 2 μ F).In exemplary reality It applies in example, building-out condenser is configured to system increase about 100nF to about 2 μ F, to establish resonance LC slot.
It is briefly noted that, it is that flat and implantable component 1050 does not utilize bone fixation that Figure 10, which describes wherein shell 954X, Shell 954X is connected to the exemplary embodiment of bone by part.Again, as described above, because vibratory equipment is not located at shell In 954X, so the practical value that the shell is fixed to bone is not present using bone fixation means.In exemplary reality It applies in example, shell 954X is attached to bone using suture etc. or low wound bone screw.
Embodiments, detailed above generally focuses on so-called bone-conduction device, and wherein mass block moves in oscillating fashion Then the dynamic generation to lead to vibration, the vibration are transmitted to the bone of recipient from the shell comprising actuator, these vibrations The inner ear of recipient is advanced to, along bone to arouse hearing perception via osteoacusis.That is, in some alternate embodiments In, introduction detailed in this article is also applied for other kinds of hearing prosthesis, such as only for example rather than limit, middle ear implantation Object or direct acoustics cochlear stimulation device etc..In this regard, referring now to fig. 11, exist available in the embodiment of Fig. 3 B The exemplary embodiment of implantable component 1150.Here, coil 556 is via lead 983 and direct acoustics piezoelectric actuator 1152 Communication.Electric current is transmitted to laminated piezoelectric 1155 by lead 983, this makes piezoelectric material expand and/or shrink, this then makes stick 1171 Move back and forth.When stick 1171 is connected to the phonophore and/or oval window of cochlea, can arouse via moving back and forth for stick 1171 Hearing perception, moving back and forth for stick 1171 move back and forth the associated component of recipient's hearing system (note that building-out condenser 1066 can also --- embodiment of Figure 11 --- be used together (such as the case where other embodiments) with the embodiment).
Although various embodiments detailed above are that just as the energy converter of actuator, (wherein electricity input is provided to transducing Device is to generate vibration and/or Mechanical Moving) description, but in alternative embodiments, the system is passive system, this is It unites and receives vibration or the acceleration of other modes from recipient, and these received vibration/acceleration are converted into electric signal output, The electric signal exports diagnostic purpose and/or other purposes and/or is used to generate electricity to supply to another implantable component Electricity or any other reason for that may have practical value.
Figure 12 present at least for utilizing those of piezoelectric material embodiment in energy converter with it is detailed above At least some of embodiment the corresponding exemplary embodiment of realization functional schematic.Here, with the outside of Fig. 3 B The corresponding external module frame 1240 of component 440 indicates, corresponding with applicable implantable component detailed above to plant Entering component frame 1250 indicates.In the exemplary embodiment, external module 1240 corresponds to the outside being described in detail above for Fig. 3 B Component 440.In this exemplary embodiment, can plant component 1250 can correspond to appointing in implantable component detailed in this article What one, such as only for example rather than limit, above for Fig. 5 be described in detail implantable component 550.External module 1240 mentions For the schematic diagram of circuit 1292.In the illustrative diagram, circuit 1292 includes audio input voltage source 1226, audio input Voltage source 1226 can correspond to voice input element 126 for example detailed above.Circuit 1292 further comprises capacitor 1227 and coil 1242, coil 1242 can be inductance coil corresponding with coil detailed above 442.Note that additional group Part also may include in circuit, but in other embodiments, those of circuit is at least generally limited to present in Figure 12 group Part.In the exemplary embodiment, circuit 1292 is substantially by coil 1242, capacitive component 1227, voltage source 1226 and general These components be electrically coupled together wiring composition circuit, voltage source 1226 can correspond to sound capture device (and/or In some alternate embodiments, the input from the electronic building brick for providing the signal based on sound, such as so-called smart phone It exports (more information about this is below)).
In the exemplary embodiment, component 1250 is to can plant passive resident component.
In the exemplary embodiment, the sound that microphone 1226 (voltage source) captures induced current in circuit 1292, should Electric current eventually leads to the generation inductive fields at coil 1242.The inductive fields via percutaneous inductive link detailed above, pass through skin Skin 132 is transmitted to circuit 1291.
Circuit 1291 includes inductance coil 1266, and inductance coil 1266 can correspond to the inductance coil 556 of Fig. 5.Circuit 1291 further include capacitor 1251.In the exemplary embodiment, capacitor corresponds to the piezoelectric element 555 of actuator 554.(letter Point out that phrase " piezoelectric element " had not only included monolithic piezoelectric material, but also including the individual piezoelectric material of muti-piece in strategic point.That is, Phrase " piezoelectric element " is not limited to the only single part of piezoelectric actuator.) as circuit 1292, it is in some embodiments, attached Add component can be placed in circuit 1291 or otherwise be circuit 1291 a part.That is, in some substitutions In embodiment, circuit 1291 is at least effectively limited to that (wherein line drawing is drawn between 1266 and 1251 in circuit seen in fig. 12 Wiring, in some embodiments, the wiring correspond to copper or copper alloy electrical wiring).In the exemplary embodiment, circuit 1291 is The circuit being substantially made of coil 1266, piezoelectric element 1251 and the wiring for being electrically coupled together the two components.Extremely In few some exemplary embodiments, piezoelectric element corresponds to the equivalent of capacitor or capacitor.
In the exemplary embodiment, circuit 1291 and/or circuit 1292 are with the electric self-resonant frequency lower than 20kHz Lc circuit.This added branch is described in more detail below.That is, in the exemplary embodiment, circuit 1291 and/or Circuit 1292 is the lc circuit with the electric self-resonant frequency lower than 10,000Hz.Further, in the exemplary embodiment, Circuit 1291 and/or circuit 1292 are the lc circuits with the electric self-resonant frequency lower than following values: 20kHz, 19.5kHz, 19kHz、18.5kHz、18kHz、17.5kHz、17kHz、16.5kHz、16kHz、15.5kHz、15kHz、14.5kHz、14kHz、 13.5kHz、13kHz、12.5kHz、12kHz、11.5kHz、11kHz、10.5kHz、10kHz、9.5kHz、9kHz、8.5kHz、 8kHz、7.5kHz、7kHz、6.5kHz、6kHz、5.5kHz、5kHz、4.5kHz、4kHz、3.5kHz、3kHz、2.5kHz、2kHz、 Between any in 1.5kHz, 1kHz or these values using 0.1kHz as any value of increment.
Therefore, in the exemplary embodiment, exist including can plant component (the implantable component that such as frame 1250 indicates) Prosthese, any one of all prostheses as detailed in this article and/or its modification.Implantable component includes lc circuit.Here, LC Circuit is established by coil 1266 and piezoelectric element 1251, and wherein piezoelectric material forms at least the one of the capacitive part of lc circuit Part.In some embodiments, piezoelectric material forms the entire capacitive part of lc circuit, and in other embodiments, piezoresistive material Material only forms a part of the capacitive part of lc circuit.In this regard, Figure 13 describes the alternate embodiment of implantable component, Implantable component 1350 comprising circuit 1391, be with circuit 1291 detailed above it is identical, in addition to it includes capacitor Except 1333, capacitor 1333 and piezoelectric material 1251 be separate and it is different (but being a part of the tank circuit).Namely It says, circuit 1391 includes dedicated individual capacitor 1333.Therefore, in the exemplary embodiment, existing only includes inductor wire The lc circuit of circle and one or more components corresponding with Inductive component.
It is consistent with the wherein piezoelectric material formation introduction of a part of PZT (piezoelectric transducer) detailed above, in Figure 12 and figure In 13 exemplary embodiment, when being realized with the embodiment of such as Fig. 5, Fig. 7, Fig. 8, Fig. 9 and Figure 11 etc., the formation of piezoelectricity 1251 It is configured to the actuator when implantable component is implanted in recipient to the tissue of recipient output energy (such as power) A part of (for example, actuator 552,1152).This can be carried out relative to osteoacusis vibration, in osteoacusis vibration, be caused Dynamic device generates the vibration that the bone of recipient is transmitted to from shell.This can also be implanted into relative to the middle ear of the embodiment of Figure 11 Object/DACI is carried out, in the embodiment in figure 11, actuator 1152 in oscillating fashion to the middle ear component of recipient and/or Inner ear component force.In at least some exemplary embodiments, piezoelectric material is when electromagnetic field is applied to lc circuit (for example, electricity Road 1291) inductor when expand and/or shrink material.In this regard, in the exemplary embodiment, it can be used outer The coils 1242 of parts 1240 generates magnetic field and/or electromagnetic field.This generates the inductance transmitted by the skin 132 of recipient Field 1203.1203 induced current of inductive fields flows through coil 1266, therefore flows through circuit 1291.The circuit advances to piezoelectricity 1251, this makes piezoelectric material expand and/or shrink or otherwise deforms to generate movement, therefore mobile piezoelectric material Attached mass block/counterweight.Therefore, piezoelectric material is directly applied to piezoelectricity due to the electric current at inductor through induced by magnetic field Material and expand and/or shrink.The movement generates vibration 1280, and vibration 1280 is transmitted to cranium from the shell of implantable component 1250 Bone 136 is then delivered to cochlea 139 to arouse hearing perception.In the exemplary embodiment, in " end " of coil positive survey below Electric power electric current, voltage and frequency at the positive front of piezoelectric material (for example, in Figure 12, respectively position " A " and " B ") Electric current, the voltage of the electric power measured are identical with frequency, in addition to the influence to conducting wire/lead effect between the two points Except.In the exemplary embodiment, the link 1203 percutaneously coupled is the magnetic near field links of close-coupled.
Note that piezoelectric material 555 includes so-called piezoelectricity bend pipe in the exemplary embodiment of Fig. 5.In alternate embodiment In, laminated piezoelectric is expanded and/or is shunk when applying electric current.Exemplary embodiment is the actuator 1152 of the embodiment of Figure 11 Laminated piezoelectric 1155.Introduction detailed in this article can be can be realized and/or any realization of the piezoelectric material of its modification can be by In at least some exemplary embodiments.
Coil is not only accommodated with Fig. 5, with the wherein shell 554 of 7 and Fig. 8 etc. but also to accommodate the introduction of actuator consistent, in this way The lc circuit of embodiment completely include and be hermetically sealed in titanium shell, which is not passed through the opening of titanium shell. On the contrary, consistently with the embodiment of Fig. 9, Figure 10 and Figure 11, the lc circuit of such embodiment is divided in two individual shells In, one of them is the titanium shell only with an opening (opening be used for penetration piece 981), the shell potted coil 556 and/ Or magnet 558/958.
Although separating it is further noted that the embodiment of Figure 10 is described to be placed in the shell 954A for encasing coil 556 Electromagnetic actuators 1052 in shell 954B, but in alternative embodiments, electromagnetic actuators 1052 can be placed in and line It encloses in 556 identical shells.In this regard, about the embodiment using electromagnetic transducer, for such embodiment Related circuit may include inductance coil 1266, and inductance coil 1266 can correspond to the inductance coil 556 of Fig. 5.Referring to Fig.1 0, Such circuit may include capacitor 1066 and energy converter 1052, individually accommodate together with using two or more shells Related wiring and penetration piece in the embodiment of various assemblies.In the exemplary embodiment, exist substantially by coil 1266, electricity The exemplary circuit of magnetic transducer 1052 and the wiring composition for being electrically coupled together the two components.Note that such circuit It can also include the circuit comprising the penetration piece for not changing the fundamental characteristics of device.
Referring now still to Figure 12, in the exemplary embodiment, there is that (what is such as functionally indicated plants including implantable component Enter component 1250) prosthese.The implantable component includes the energy converter for being configured to export mechanical force when electric current is applied to its. In the exemplary embodiment, energy converter can correspond to appointing in PZT (piezoelectric transducer) detailed in this article in this exemplary embodiment What one and/or its modification, energy converter is that part thereof of circuit (such as circuit 1291) is made of passive electric components completely. For example, in the fig. 12 embodiment, circuit 1291 only includes coil 1266, piezoelectric material 1251 and coil 1266 is wired to pressure The subsidiary wiring of electric material 1251.In some exemplary embodiments for the embodiment described in such as Figure 13, circuit be can wrap Building-out condenser 1303 is included, building-out condenser 1303 is also passive electric components.
In the exemplary embodiment, it can plant component absolutely not semiconductor subassembly, or at least this is relative to actuating The case where device is for part thereof of circuit.
In the exemplary embodiment, it does not extract power to exist with the component operated in implantable component, or at least For actuator is part thereof of circuit.Only for example rather than limit, implantable component and/or actuator are Such component of part thereof of circuit absolutely not such as diode.Therefore, in the exemplary embodiment, it can plant component It is the wherein absolutely not component of integrated circuit.More specifically, in the exemplary embodiment, actuator is part thereof of electricity Road absolutely not integrated circuit.
Passive electric components are the components for not needing energy to be operated, the available exchange (AC) being connected in addition to it Except circuit.Passive block can not achieve power gain, and not energy source.In general, passive block cannot improve letter Number power, they can not amplified signal.However, they can via the electric energy for carrying out self-resonant frequency storage or pass through The transformer that acts on as electric isolator improves current or voltage.In the exemplary embodiment, passive circuit is lossless electricity Road, because it does not input or export net power flow.
Passive block using circuit framework will include inductor, resistor, voltage source and current source, capacitor and transformation Device.Similarly, passive filter is made of four substantially linear elements, this four substantially linear elements include inductor, capacitor Device, resistor and transformer.Some high-tech passive filters can have the non-linear element as transmission line.
The inference of above content is, in the exemplary embodiment, there are a kind of prosthese, all those prostheses as detailed in this article Any one of and/or its modification, the prosthese include implantable component (such as implantable component 550), or by Figure 12 and Functional diagram in Figure 13 indicates, without any integrated circuit.Further, in the exemplary embodiment, exist not includes appointing The implantable component of the active percutaneous bone-conduction device of what electronic assembly part.
Moreover, being to utilize with such as platinum inductance coil or golden inductance coil completely not in view of at least some exemplary embodiments With copper inductance coil (for example, enamel covered wire) make the fact, exemplary embodiment includes that absolutely not noble metal is planted Enter component, the implantable component 550 that such as functional diagram 1250 indicates.In the exemplary embodiment, it constitutes or otherwise wraps Include all circuits of actuator (energy converter) and coil all absolutely not noble metals.In the exemplary embodiment, it constitutes or with it His mode include all circuits of actuator (energy converter) and coil all include not more than constitute such circuit material it is total Weight certain percentage (10%, 9%, 8%, 7%, 6%, 5%, 4%, 3%, 2%, 1%, 0.5%, 0.25%, 0.1% or 0.05%) noble metal.Therefore, in the exemplary embodiment, there is the implantable of the hearing prosthesis for utilizing percutaneous inductive link Component is implanted in recipient without platinum line circle.
That is, in alternative embodiments, implantable inductance coil (for example, being indicated by the coil 1266 of Figure 12) does not have Noble metal.That is, in some embodiments, can use the limited use of noble metal.In this regard, exemplary In embodiment, inductance coil can plant substantially completely without noble metal.In the exemplary embodiment, implantable electricity is constituted Feel coil coil material include the not more than described material gross weight certain percentage (10%, 9%, 8%, 7%, 6%, 5%, 4%, 3%, 2%, 1%, 0.5%, 0.25%, 0.1% or noble metal 0.05%).
Note that in some exemplary embodiments, can use the gold or platinum contact of circuit.Therefore, in exemplary implementation In example, the non-contact module absolutely not noble metal of the circuit of component can plant, at least substantially absolutely not noble metal.Just For this point, preceding percentage can be adapted for such embodiment.
Although these introductions are also applied for external module note that these introductions are for implantable component.Cause This, it is noted that at least some exemplary embodiments, any disclosure of feature associated with the circuit of implantable component is also right It should be in the disclosure of the circuit of external module.
Note that in the exemplary embodiment, external inductor coil 1242 and/or 1266 be diameter (conducting wire of coil it is straight Diameter) be 200 millimeters 500 circle copper coils.In the exemplary embodiment, coil is more than 300 circles more than 200 circles more than 100 circles, More than 400 circles, more than 500 circles, more than 600 circles, more than 700 circles, more than 800 circles, more than 900 circles, or more than 1000 circles.
For establishing the percutaneous link relative to certain frequencies of other frequencies, the reality of lc circuit indicated above is utilized Applying example can have practical value but is usually utilized in the art.Only for example rather than limit, hearing prosthesis Usually utilize the percutaneous link operated in gigahertz frequency range.On the contrary, there is packet according at least some exemplary embodiments Include the hearing prosthesis of external module (external module 440 being such as described in detail above for Fig. 3 B).The external module includes and Figure 12 The inductance coil that coexists of embodiment.The hearing prosthesis further comprises implantable component, such as implantable component 550.This can Implant assembly further includes the inductance coil coexisted with the embodiment of Figure 12.In the exemplary embodiment, which is constructed To establish very low frequency and/or more low-frequency percutaneous electromagnetic links between component and external module implantable, wherein can plant Component includes being driven by the link to arouse the actuator that hearing perceives.As it is used herein, very low frequency needs 3-300kHz Range, it is consistent with the use of the phrase in the art.It is in the exemplary embodiment, entirely different with machinery/acoustic vibration, The percutaneous link established corresponds to sound frequency/audio frequency frequency (being lower than 20kHz), although relative to electromagnetic links Speech.That is, inductive link is the link established with the frequency lower than 20kHz.It is active link, because the link is What the active block by generating following output signal generated, which causes the coil in implantation in external coil 1242 The inductive current of induced current in 1266.Therefore, in the exemplary embodiment, percutaneous link is not with radio frequency operation.More into One step, therefore, in the exemplary embodiment, from external module 1240 be sent to implantable component 1250 for causing hearing The data of perception are not converted as radio frequency.In the exemplary embodiment, which is all not converted anyway --- capture The frequency of sound corresponds to the frequency of inductive link.This inference is that in this exemplary embodiment, the link is and number The entirely different analog link of link.
In the exemplary embodiment, hearing prosthesis be configured to implantable between component and external module with no more than with The frequency of lower frequency establishes percutaneous electromagnetic links: 1.5kHz, 2kHz, 2.5kHz, 3.0kHz, 3.5kHz, 4.0kHz, 4.5kHz, 5kHz、5.5kHz、6kHz、6.5kHz、7kHz、7.5kHz、8.0kHz、9kHz、10kHz、11kHz、12kHz、13kHz、 14kHz, 15kHz, 16kHz, 17kHz, 18kHz, 19kHz or 20kHz or between them using 1kHz as any value of increment or It is worth range.In some such exemplary embodiments, implantable component includes being driven by the link to be drawn with these frequencies Play the actuator of hearing perception.It is further noted that in some embodiments, circuit 1292 and/or 1291 be tuned to it is aforementioned One LC resonance circuit in frequency.In this regard, in the exemplary embodiment, these circuits 1291 and/or 1292 One or two of be tuned to frequency in audible spectrum.
In the exemplary embodiment, the electric current induced in coil 1266 is the AC line with the frequency of aforementioned frequencies Circle.In the exemplary embodiment, component indicated in Figure 12 with piezoelectric material component 1251, implantable actuator (for example, Actuator 552 etc.) it is vibrated in the presence of percutaneous link 1203.Actuator is vibrated with the frequency of percutaneous link 1203.With regard to this point For, actuator is configured to very low frequency and more low frequency vibration.Therefore, in the exemplary embodiment, hearing prosthesis is by structure It makes to establish the electromagnetic links of completely audio frequency to operate vibratory equipment to arouse hearing prosthesis.
In view of above-mentioned, in the exemplary embodiment, there is the auditory prosthesis including external assembly, the outside assembly packet The active electronic device for including the first inductance coil (such as coil 1242) and carrying out signal communication with the first inductance coil (is such as schemed 12 Vaudio 1226).Further, which includes the implantable component being made of passive electric components, The passive electric components include energy converter (for example, element 1251) and the second inductance coil (for example, coil 1266), energy converter It is configured to output mechanical energy when electric current is applied to its, the second inductance coil is the of the frequency being tuned in audible spectrum A part of one LC resonance circuit (for example, circuit 1291), wherein the first inductance coil and the second inductance coil form percutaneous coupling The link of conjunction.
As will be described in further detail below, in the exemplary embodiment, the first inductance coil (coil 1242) passes through The letter of active electronic device (for example, smart phone or another hand-held consumer electronics device (for example, MP3 player etc.)) output Number be powered to generate alternating current magnetic field.Further, in view of above-mentioned, in the exemplary embodiment, aforementioned second inductance coil 1242 are configured to receive the alternating current magnetic field with the frequency in audio frequency (for example, being lower than 20kHz).Further, preceding Energy converter (element 1251) is stated to be configured to the frequency and amplitude of the second inductance coil (for example, 1266) received alternating current magnetic field Vibration (therefore hearing perception is aroused based on the output under these frequencies and amplitude).Therefore, as it will be appreciated, showing at least some In example property embodiment, aforementioned second inductance coil is configured to receive the electromagnetic radiation field with the frequency in audible spectrum, changes Energy device 1251 is configured to percutaneously couple with the frequency and amplitude vibration of the received electromagnetic radiation field of the second inductance coil 1266 Link 1203 is operable for answering the received electromagnetic radiation of the second inductance coil 1266.
About the embodiment using the piezoelectric actuator for expanding and/or shrinking when exposed to an electric current, in exemplary implementation In example, piezoelectric material is swollen with the corresponding frequency of the frequency of electromagnetic field and/or amplitude that are exposed to coil 1266 and/or amplitude Swollen and/or contraction.For example, piezoelectric material will be with 1100Hz if percutaneous link is operated with the frequency of 1100Hz Expansion and/or contraction.Also by way of example, if percutaneous link is operated with amplitude 3, piezoelectric material will be with corresponding Amplitude expansion and/or contraction.In at least some exemplary embodiments, this will export the vibration that can plant component and carry out with 1100Hz It is dynamic to be perceived to arouse hearing with the frequency and/or amplitude.Therefore, in the exemplary embodiment, exist according to detailed in this article The prosthese of introduction, wherein its piezoelectric material is corresponding with the frequency in magnetic field and/or amplitude being exposed to the inductor of lc circuit Frequency and/or amplitude expansion and/or shrink.
In view of above-mentioned, it is to be understood that in the exemplary embodiment, there is the prosthese including can plant component, this can be planted Entering component includes the inductance coil for being configured to receive the electromagnetic radiation with the frequency in audible spectrum.The inductance coil is packet A part of the circuit of energy converter is included, wherein energy converter is configured to vibrate with the frequency of the received electromagnetic radiation of inductance coil.
Note that in the exemplary embodiment, the magnetic field and/or electromagnetic field that coil 1242 generates are alternating current magnetic field and/or electricity Magnetic field.In the exemplary embodiment, alternating current magnetic field and/or electricity that piezoelectric material is generated due to passing through coil 1242 at inductor The electric current of induced by magnetic field directly applies and expansion and/or contraction.
In at least some embodiments, can plant component (being indicated with the element 1251 of Figure 12) actuator completely by and Only by and directly by coil by inductive link induce electric current power.In the exemplary embodiment, implantable component does not have There is battery.
In at least some exemplary embodiments, the actuator that can plant component has at least one of value lower than 4000Hz Resonance frequency.In the exemplary embodiment, there is the actuator that can plant component value to be less than at least one resonance frequency being worth as follows Rate: 1000Hz, 1250Hz, 1500Hz, 1750Hz, 2000Hz, 2250Hz, 2500Hz, 3000Hz, 3500Hz, 4000Hz, 4500Hz, 5000Hz as any value of increment or are worth range using 1Hz between them.
As noted above, in the exemplary embodiment, it can plant the coil 1266 of component 1250 in this regard Copper coil, only for example rather than limit, coil 1266 has at least following weight percent calculated by copper: 60%, 65%, 70%, 75%, 80%, 85%, 90%, 95% or 100% or between them with 1% for increment any value or value Range.
In the exemplary embodiment, the titanium of hearing prosthesis detailed in this article can plant component and be protected not to be higher than The influence of the electromagnetic interference (EMI) of the frequency of 50kHz.In the exemplary embodiment, hearing prosthesis detailed in this article is implantable Component is protected not influenced by the electromagnetic interference (EMI) of frequency for being higher than following frequencies: 10kHz, 15kHz, 20kHz, 25kHz、30kHz、35kHz、40kHz、45kHz、50kHz、55kHz、60kHz、65kHz、70kHz、75kHz、80kHz、 85kHz, 90kHz, 95kHz or 100kHz as any value of increment or are worth range using 1kHz between them.In exemplary reality It applies in example, for being higher than the frequency of 50kHz, there are perfect EMI shieldings.That is, at least some exemplary embodiments In, one or two or three or more transient voltage inhibits (TVS) diode or transient absorption device that can be placed in electricity It is influenced with protecting actuator not by overvoltage in road.
In view of above-mentioned, in the exemplary embodiment, exist including the shell (that is, there is only a shells) that is individually implanted into Percutaneous bone-conduction device, all any one of those percutaneous bone-conduction devices as described herein.In the exemplary embodiment, Only one, two, three, four, five, six or seven electronic building bricks be placed in the shell, without more.Instead of Platinum wiring and/or platinum line circle, the internal wiring and Inside coil of the component that base metal be used to be implanted into.In exemplary embodiment In, the aforementioned percutaneous bone-conduction device with the shell being individually implanted into is passive percutaneous bone-conduction device.In exemplary embodiment In, the aforementioned percutaneous bone-conduction device with the shell being individually implanted into is active percutaneous bone-conduction device.
Figure 14 describes the exemplary embodiment of external module 1440, and external module 1440 can correspond to the outer set of Fig. 3 B Part 440.Figure 14 describes so-called smart phone or other portable handheld electronic devices 1414.Smart phone 1414 is via cable 1420 carry out signal communication with the helmet (headpiece) 1430.The helmet 1430 is close to the skin of recipient via magnet 1435, In exemplary embodiment, when implantable component 550 is implanted via the skin of recipient, only for example rather than limit, magnetic Iron 1435 and magnet 558 interact.In the exemplary embodiment, the helmet 1430 includes the function inductance coil 1242 with Figure 12 Corresponding first inductance coil.In this exemplary embodiment, it is logical to carry out signal for smart phone 1414 and inductance coil 1430 Letter.In the exemplary embodiment, the inductance coil of the helmet 1430 is powered by the output signal that smart phone 1414 exports.It is powered Inductance coil generate inductive fields, inductive fields induced current in the inductance coil 1266 of implantation.The electric current of the induction makes to press The expansion of electrical component 1251 and/or contraction, therefore implantable component is made to generate vibration, to arouse hearing perception.
It is briefly noted that, although element 1414 is smart phone, in alternative embodiments, described device be can be MP3 player or the device etc. dressed based on some other type of body of audio/sound-content output voltage.
Note that in the exemplary embodiment, exist external module corresponding with the external module of Figure 14 and with Fig. 5 can The corresponding implantable component of implant assembly.In the exemplary embodiment, smart phone is configured to utilize microphone therein It captures ambient sound and audio signal is output to the helmet 1432 that wherein inductance coil is powered to establish percutaneous link, because This makes the coil energization of implantation arouse hearing perception with the component using implantation.
Embodiment about Figure 12, it will be understood that helmet coil 1242 is a part of the first LC resonance tank circuit, implantation Coil 1266 is a part of the second LC resonance tank circuit.The two resonant slots all establish percutaneous link 1203 between both. Note that in the exemplary embodiment, the circuit of external module 1240 is not the tank circuit/LC resonance circuit.In the exemplary embodiment, External module 1240 is using the arrangement according to used in traditional transcutaneous device (such as used in cochlear implant and/or traditional Arrangement on active percutaneous bone-conduction device and/or the middle ear implant of implantation etc.) " energization " inductance coil.
In the exemplary embodiment, coil 1242 is passive helmet coil, and the coil of implantation is passive implanted coil.? In at least some exemplary embodiments, helmet coil 1242 may be coupled to class D audio-frequency amplifier, in some exemplary embodiments In, class D audio-frequency amplifier includes that energy restores PWM or S/D, therefore in the exemplary embodiment, exists including these components The external module of prosthese.In the exemplary embodiment, amplifier is used to for the audio signal being passed to from voltage source 1226 being amplified to Can with the level of driving coil 1242 so as to realize will establish practicable inductive link/relative to practice detailed in this article teach Lead and/or its modification for practicability inductive link electric current.Therefore, in the exemplary embodiment, circuit 1292 will Including active electronic device.Therefore, in the exemplary embodiment, only circuit 1291 is without such active device.In example Property embodiment in, passive helmet coil 1242 may be coupled to earphone cable output any audio-source (for example, such as Figure 14 Smart phone 1440).In exemplary embodiment detailed in this article, the resident frequency of the tank circuit of external module and implantable component Rate is fallen in audible spectrum.In the exemplary embodiment, the resident frequency of the external tank circuit and/or the internal tank circuit no more than 1kHz, 1.5kHz、2kHz、2.5kHz、3.0kHz、3.5kHz、4.0kHz、4.5kHz、5kHz、5.5kHz、6kHz、6.5kHz、7kHz、 7.5kHz、8.0kHz、9kHz、10kHz、11kHz、12kHz、13kHz、14kHz、15kHz、16kHz、17kHz、18kHz、 19kHz or 20kHz.
As will be understood that from Figure 12 and Figure 13, the tank circuit is series resonant tank circuit.
Figure 15 describes the alternate embodiment of external module, corresponding with the external module for the external module that can be used as Fig. 3 B External module 1540.It in this embodiment, include the ear posterior spinal with microphone port there are device after ear (BTE), the BTE 1551, tack 1552 and battery 1553.In the exemplary embodiment, microphone captures sound, at the sound after ear in device The sound is converted and is enlarged into the output signal for being fed to the helmet 1430 via cable 1420 by reason device.That is, substituting In embodiment, Sound Processor Unit is not present in external module.On the contrary, amplifying the voltage of microphone output only to enable root The amplifier etc. communicated according to the percutaneous inductance of introduction detailed in this article.The output signal by make implantation inductance coil be powered come The inductance coil being located in the helmet 1430 is set to be powered to arouse hearing perception according to introduction detailed in this article.In the exemplary implementation In example, signal processor can be used for audio processing, which is placed in after ear in device, and S/D or PWM sound Audio amplifier may be coupled to the first resonant groove path of external module 1540 to realize introduction detailed in this article.
Figure 16 describes the alternate embodiment of external module, opposite with the outer button shape component of external module that can be used as 3B The external module 1640 answered.In this embodiment, have what the skin for being configured to be close to recipient via magnet 1435 was fixed So-called button sound processor 1650.Button sound processor 1650 includes the microphone 16126 for capturing sound, button sound Acoustic processing in processor 1650 converts sound into the inductance coil for being supplied to and being placed in button sound processor 1650 , signal after amplification is by making the inductance coil of implantation be powered to make to be placed in inductance coil therein and be powered with basis Hearing perception is aroused in introduction detailed in this article.That is, in the exemplary embodiment, in " button sound processor " 1650 In alternate embodiment, wherein Sound Processor Unit is not present.Conversely, there exist sound capture device (or multiple sound capture devices), Together with audio-frequency amplifier etc., to amplify the output of sound capture device to enable the communication according to introduction detailed in this article. In this exemplary embodiment, signal processor can be used for audio processing, which is placed in after ear in device, And S/D audio-frequency amplifier may be coupled to the first resonant groove path of external module 1540 to realize introduction detailed in this article.
Note that in the exemplary embodiment, the inductance coil of the helmet can be a part of the series connection tank circuit.In exemplary reality It applies in example, can use any low ohm output that can deliver enough electric currents to implantable component by inductive link.? In at least some exemplary embodiments, the series connection tank circuit pointed out just now will be operated with 2 or 3 volts.Again, as noted above Out, some exemplary embodiments do not utilize the tank circuit in external module.In at least some exemplary embodiments, it can use External magnet is vibrated to generate the exterior section of link 1203.In the exemplary embodiment, external module utilization, which will generate, is enough Any alternating current magnetic field for the inductive fields for making implantable coil 1266 be powered.
Figure 17 describes the flow chart of illustrative methods 1700 accoding to exemplary embodiment.Method 1700 is acted including method 1710, method movement 1710 needs to capture sound and generates signal based on the sound in the first lc circuit.Only citing comes It says rather than limits, this may need to capture sound with any one of microphone disclosed herein and/or its modification.Base In the sound of the capture, signal is generated in the first lc circuit (such as example, circuit 1292).This is lured in coil 1242 Electrical conduction current flowing, coil 1242 generate inductive fields 1203.Method 1700 further comprises method movement 1720, method movement 1720 The induced current in the coil in the second lc circuit is needed, to directly make the actuator of a part as second lc circuit Actuating.In the exemplary embodiment, inductive fields 1203 are percutaneously sent to coil 1266, this induced current in the coil, The electric current makes the actuator activation.In exemplary implementation associated with the coil directly from implantation, actuator actuating In example, there is no diode envelope detec-tor etc. (therefore there is directly actuating) between the coil and actuator of implantation.In fact, In the exemplary embodiment, because actuator is the solenoid actuated directly from the implantation of energization, in coil and actuator Between there is no passive or other modes electronic building bricks other than electrical inductor assembly.
It is briefly noted that, in the exemplary embodiment, can plant component 450 in general or specifically circuit 1291 does not have There is any diode envelope detec-tor.This with the embodiment of Fig. 3 A be it is opposite, in the embodiment in fig. 3 a, can plant component 451 include RF detector (that is, diode envelope detec-tor) and/or active block.In the exemplary embodiment, diode is used as The envelope detector of RF signal for amplitude modulation.
In the exemplary embodiment, actuator is vibratory equipment.As detailed above, in the exemplary embodiment, the The actuator and coil of two lc circuits are packaged in titanium shell.In the illustrative methods, the second lc circuit passes through titanium shell The coil activation vibratory equipment of received transdermal signal or more precisely the second lc circuit is to arouse hearing perception.
Note that any method detailed in this article, which also corresponds to, is configured to execute method associated there detailed in this article The disclosure of one or more of movement or whole devices and/or system.In the exemplary embodiment, the device and/or it is System is configured to execute one or more of method movement or whole in an automated manner.That is, implementing in substitution In example, described device and/or system be configured to execute after being prompted by recipient one or more of method movement or All.
It is further noted that any device detailed in this article and/or system also correspond to the operation device and/or use the dress The disclosure for the method set.It is somebody's turn to do in addition, any device detailed in this article and/or system also correspond to manufacture or otherwise provide The disclosure of device and/or system.
It is also noted that at least some embodiments include it is detailed in this article introduction one or more of with it is detailed in this article other The combination of introduction.In this regard, any feature of any embodiment can with any other embodiment it is any its His feature combination, precondition is that this technology enables these, unless otherwise specified.
In the exemplary embodiment, there is the prosthese including can plant component, which includes lc circuit, wherein Piezoelectric material forms at least part of the capacitive part of lc circuit.In the exemplary embodiment, exist as above and/or below The prosthese of detailed description, wherein piezoelectric material forms the entire capacitive part of lc circuit.In the exemplary embodiment, exist as above And/or the prosthese being explained in detail below, wherein piezoelectric material forms the group for being configured to be implanted into the recipient of implantable component thereto Knit a part of the actuator of power output.In the exemplary embodiment, exist as above and/or the prosthese that is explained in detail below, wherein Piezoelectric material is expanded and/or is shunk when electromagnetic field is applied to the inductor of lc circuit.In the exemplary embodiment, exist as above Face and/or the prosthese being explained in detail below, wherein piezoelectric material is directly applied to due to the electric current at inductor through induced by magnetic field Piezoelectric material and expand and/or shrink.In the exemplary embodiment, exist as above and/or the prosthese that is explained in detail below, wherein pressing The corresponding frequency inflation of the frequency of electromagnetic field of the electric material to be exposed to inductor and/or contraction.In exemplary embodiment In, exist as above and/or the prosthese that is explained in detail below, wherein lc circuit is completely included and is hermetically sealed in titanium shell, the titanium Shell is not passed through the opening of the titanium shell.In the exemplary embodiment, exist as above and/or the prosthese that is explained in detail below, Middle prosthese is hearing prosthesis, and wherein piezoelectric material is configured to generate vibration to arouse hearing perception.
In the exemplary embodiment, there is the prosthese including can plant component, which includes being configured to work as Electric current is applied to the energy converter for exporting mechanical force at that time, and wherein energy converter is part thereof of circuit completely by passive electric components It constitutes.In the exemplary embodiment, exist as above and/or the prosthese that is explained in detail below, wherein implantable component is active percutaneous The implantable component of bone-conduction device.In the exemplary embodiment, exist as above and/or the prosthese that is explained in detail below, wherein changing Energy device is piezoelectric actuator.In the exemplary embodiment, exist as above and/or the prosthese that is explained in detail below, wherein implantable group Part includes the copper coil of a part as circuit, which is the inductance coil of percutaneous link.In the exemplary embodiment, In the presence of such as above and/or the prosthese that is explained in detail below, wherein implantable component includes being configured to receive to have in audible spectrum The inductance coil of the electromagnetic radiation of frequency, and energy converter is configured to shake with the frequency of the received electromagnetic radiation of inductance coil It is dynamic.In the exemplary embodiment, exist as above and/or the prosthese that is explained in detail below, wherein circuit be only include inductance coil and The lc circuit of one or more components corresponding with Inductive component.In the exemplary embodiment, exist as above and/or below The prosthese of detailed description further comprises:
External module comprising the first inductance coil;
Smart phone carries out signal communication with the first inductance coil, wherein
The implantable component includes the second inductor coil,
Energy converter be configured to based on the first inductance coil generate by the second inductance coil restrict inductive fields vibration with Arouse hearing perception, and
First inductance coil is energized to generate inductive fields by the signal that smart phone exports.
In the exemplary embodiment, there is the prosthese including can plant component, the implantable component include vibratory equipment and Inductance coil, wherein vibratory equipment and inductance coil are packaged in titanium shell, and implantable component is configured such that electricity Sense coil activates vibratory equipment by the received transdermal signal of titanium shell to arouse hearing perception.In the exemplary embodiment, it deposits Such as above and/or the prosthese that is explained in detail below, wherein implantable component does not have any integrated circuit.In the exemplary embodiment, In the presence of such as above and/or the prosthese that is explained in detail below, wherein shell purely and simply includes coil and vibratory equipment, therefore without appointing What through-out pathway.In the exemplary embodiment, exist as above and/or the prosthese that is explained in detail below, wherein implantable component is complete There is no noble metal.In the exemplary embodiment, exist as further comprised external module above and/or the prosthese that is explained in detail below, The external module includes the second electric coil, and wherein hearing prosthesis is configured to establish the electromagnetic links of completely audio frequency to grasp Make vibratory equipment to arouse hearing perception.
In the exemplary embodiment, there is the hearing prosthesis including external module and implantable component, wherein hearing prosthesis It is configured to establish percutaneous electromagnetic links between component and external module implantable with very low frequency and/or more low frequency, and Implantable component includes being driven by the link to arouse the actuator that hearing perceives.In the exemplary embodiment, exist as above And/or the prosthese being explained in detail below, wherein actuator is configured to vibrate in the presence of very low frequency and more low-frequency percutaneous link. In the exemplary embodiment, exist as above and/or the prosthese that is explained in detail below, wherein there is actuator value to be less than 4000Hz extremely A few resonance frequency.In the exemplary embodiment, exist as above and/or the prosthese that is explained in detail below, wherein link is part Ground is established by the copper coil in internal component.In the exemplary embodiment, exist as above and/or the prosthese that is explained in detail below, Wherein actuator completely by and only powered by electromagnetic links.In the exemplary embodiment, exist as above and/or being explained in detail below Prosthese, wherein implantable component includes single housing, which includes the coil of a part of actuator and formation link.Showing In example property embodiment, exist as above and/or the prosthese that is explained in detail below, wherein implantable component is not by the frequency for being higher than 50kHz EMI influence.
Although various embodiments of the present invention are described above, it should be understood that they be merely possible to example and It is unrestricted and presentation.It is evident that, spirit and model of the invention are not being departed from for those skilled in the relevant art In the case where enclosing, various changes in form and details can be wherein being made.Therefore, range of the invention and range should not be by Any of the above-described exemplary embodiments limitation, but should be limited according only to claim and its equivalent form.

Claims (31)

1. a kind of prosthese, comprising:
Implantable component including lc circuit, wherein piezoelectric material forms at least part of the capacitive part of the lc circuit, The piezoelectric material is expanded and/or is shunk when variable magnetic field is applied to the inductor of the lc circuit, and the piezoresistive material Material formation is configured to be implanted into one of the actuator energized in the tissue of the recipient of the implantable component thereto Point.
2. prosthese according to claim 1, in which:
The lc circuit has the electric self-resonant frequency lower than 20kHz.
3. prosthese according to claim 2, in which:
The piezoelectric material forms the entire capacitive part of the lc circuit.
4. prosthese according to claim 2, in which:
The piezoelectric material due at the inductor by alternating current magnetic field induce electric current directly apply expand and/or It shrinks.
5. prosthese according to claim 2, in which:
The piezoelectric material is with the corresponding frequency of the frequency in magnetic field and amplitude that are exposed to the inductor and amplitude expansion And/or it shrinks.
6. prosthese according to claim 2, in which:
The lc circuit is completely contained and is hermetically sealed in biocompatibility shell, and the biocompatibility shell does not have Across the opening of the biocompatibility shell.
7. prosthese according to claim 2, in which:
The prosthese is hearing prosthesis;And
The piezoelectric material is configured to generate vibration to arouse hearing perception.
8. prosthese according to claim 2, in which:
The lc circuit is completely contained and is hermetically sealed in titanium shell, and the titanium shell is not passed through the titanium shell Opening.
9. prosthese according to claim 2, in which:
The lc circuit is completely included and is hermetically sealed in the shell made of PEEK, and the shell is not passed through the shell The opening of body.
10. prosthese according to claim 1, in which:
The piezoelectric material forms the entire capacitive part of the lc circuit.
11. a kind of auditory prosthesis, comprising:
External assembly, the external assembly include:
First inductance coil;
Active electronic device, the active electronic device and first inductance coil carry out signal communication;And
Implantable component, the implantable component are made of passive electric components, the passive electric components include energy converter and Second inductance coil, the energy converter are configured to output mechanical energy when electric current is applied to its, and second inductance coil is It is tuned to a part of the first LC resonance circuit of the frequency in audible spectrum, wherein first inductance coil and described Two inductance coils form the link percutaneously coupled.
12. prosthese according to claim 11, in which:
First inductance coil is energized to generate alternating current magnetic field by the signal that active electronic device exports.
13. prosthese according to claim 11, in which:
The implantable component is the implantable component of active percutaneous bone-conduction device.
14. prosthese according to claim 11, in which:
The energy converter is piezoelectric actuator.
15. prosthese according to claim 11, in which:
Second inductance coil is copper coil.
16. prosthese according to claim 11, in which:
The link percutaneously coupled is the magnetic near field links of close-coupled.
17. prosthese according to claim 11, in which:
Second inductance coil is configured to receive the alternating current magnetic field with the frequency in the audible spectrum;And
The energy converter is configured to the frequency and amplitude vibration of the received alternating current magnetic field of the second inductance coil.
18. prosthese according to claim 11, in which:
Second inductance coil is configured to receive the electromagnetic radiation field with the frequency in the audible spectrum;
The energy converter is configured to the frequency and amplitude vibration of the received electromagnetic radiation field of the second inductance coil;And
The link operation percutaneously coupled is to supply the second inductance coil institute received electromagnetic radiation.
19. prosthese according to claim 11, in which:
The active electronic device is consumer electronics device.
20. prosthese according to claim 11, in which:
First inductance coil is a part of the second LC resonance circuit of the frequency being tuned in the audible spectrum.
21. prosthese according to claim 11, in which:
The active electronic device is smart phone.
22. prosthese according to claim 11, in which:
The active electronic device is BTE device.
23. a kind of hearing prosthesis, comprising:
Implantable passive resonance component, the implantable passive resonance component include vibrating electrical capacitive equipment and inductor wire Circle, wherein
The vibratory equipment and the inductance coil are packaged in titanium shell, and
The implantable component is configured such that the inductance coil activates institute by the received transdermal signal of the titanium shell Vibratory equipment is stated to arouse hearing perception.
24. hearing prosthesis according to claim 23, in which:
The implantable component does not have any integrated circuit.
25. hearing prosthesis according to claim 23, in which:
The shell purely and simply surrounds the coil and the vibratory equipment, therefore without any through-out pathway.
26. hearing prosthesis according to claim 23, in which:
The implantable inductance coil is substantially completely without noble metal.
27. hearing prosthesis according to claim 23, further comprises:
External module including the second inductance coil, wherein the hearing prosthesis is configured to establish the electricity of completely audio frequency Magnetic circuit arouses hearing perception to operate vibratory equipment.
28. hearing prosthesis according to claim 23, in which:
The vibratory equipment be configured to when the inductance coil be exposed to very low frequency and more low-frequency percutaneous magnetic link and/or It is vibrated when electromagnetic links.
29. hearing prosthesis according to claim 28, in which:
The vibratory equipment completely by and only powered by the magnetic link and/or electromagnetic links.
30. hearing prosthesis according to claim 23, in which:
The inductance coil is copper coil.
31. hearing prosthesis according to claim 28, in which:
The implantable component is not influenced by the EMI of the frequency higher than 50kHz.
CN201780025430.0A 2016-04-27 2017-04-26 Implantable vibration device using limited components Active CN109076298B (en)

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